First, wash and soak dal, and tamarind in hot water overnight or few hours
Crush pepper, ginger, cumin seeds, and ajwain
Furthermore, add garlic and crush again
Pulse-soaked Dal/ tamarind water with tomatoes
Add ghee and heat
Furthermore, add mustard seeds and fenugreek seeds; splutter
Add tomato puree, asafoetida, turmeric powder, and rasam powder; mix well and boil
Furthermore, add water and coriander leaves; boil well
add idli rava and; mix well
Cook on low flame till pressure builds and the indicator comes up
Simmer to lowest flame and cook for a minute
Do natural pressure release
add salt and water; mix well
Finally, drizzle ghee and turn off the stove